C$998 Cheap Flights from Incheon International (ICN) to San Juan (SJUA)

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Flight deals from Incheon International to San Juan

Looking for a cheap last-minute deal or the best return flight from Incheon International Airport to San Juan? If you want to travel next month, return fares start from C$2,301. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Incheon International to San Juan from C$998 one-way

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Incheon International to San Juan flights are currently cheapest in November.

Seoul to San Juan: Flight information

The things to know before you go.
Cheapest flight foundC$998
Cheapest month to flyNovember

Finding cheap flights from Incheon International to San Juan: Frequently asked questions

There are 6 airports in San Juan: San Juan Isla Grande, San Juan Luis Munoz Marin, Roosevelt Roads, Ponce, Vieques, and Culebra.
The best price we found for a return flight from Incheon International to San Juan is C$1,901. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Incheon International to San Juan. But we found flights with one or more stops from C$1,901.
As of May 2026, there are no flights flying from Incheon International to San Juan.
The cheapest month to fly from Incheon International to San Juan is usually September.
If you're flying from Incheon International Airport, the cheapest airport near San Juan is San Juan Luis Munoz Marin – which is 11.3 km away from the centre of San Juan. We've found flights into this airport from C$1,901.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Incheon International Airport to San Juan on Tuesday, September 1, 2026.
No airlines currently offer direct flights between Incheon International Airport and San Juan. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Juan but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Juan is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 27°C. August is typically the warmest month in San Juan, when it usually averages around 29°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging 23°C. The rainiest month is September.
Currently, Zipair offers the cheapest flight tickets to San Juan.

Travelling from Incheon International Airport (ICN) to San Juan: what you need to know

  • Incheon International Airport is located in Seoul. Operating on the UTC-4 timezone, San Juan is 13 hours behind Seoul.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you can comfortably board your flight from ICN to San Juan.

  • You can expect longer lines during popular months such as July and other peak periods. Arriving up to four hours in advance for an international flight and two hours for domestic departures is a wise move.

  • A stopover is the ideal opportunity to take a travel break — and maybe even explore a different city. When searching for flights from ICN to San Juan, uncheck the 'Direct flights only' box to see where you can visit along the way. Top options include:

    • O'Hare International Airport (ORD)

    • Hartsfield-Jackson Atlanta International Airport (ATL)

    • Detroit Metropolitan Wayne County Airport (DTW)

  • If you have a passport from South Korea, you will need an ETA to visit Puerto Rico. This applies when booking a cheap ticket from Incheon International Airport to San Juan for tourism purposes. Requirements may change if you're travelling for business or other reasons. Always consult official visa guidelines before you make travel plans and definitely before you fly.

  • Want a relaxed start to your travels? Stay near ICN. Whether you're taking an early flight from Incheon International Airport to San Juan or just don't want to be rushed, these hotels have you covered:

How to find the cheapest flights from Incheon International Airport (ICN) to San Juan

  • C$998 is the cheapest price we've found for a one-way ticket from Incheon International Airport to San Juan. For a return flight on this route, the best price is C$1,901. Depending on when and how early you book, these fares can change.

  • Don't leave things to the last minute. You're more likely to get cheap tickets from ICN to San Juan if you book in advance. Airlines often have some excellent early bird deals.

  • If you can be flexible with your travel dates, use the 'Whole month' tool. It'll show you the lowest price across the month when looking for your ticket from Incheon International Airport to San Juan.

  • Log into your online account or use the app to create a Price Alert. You'll be notified straight away if there's a better deal on this route. It doesn't take long, and it'll save you the hassle of searching for cheap tickets from ICN to San Juan every day.

  • Play around with the filters to find your ideal journey. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Incheon International Airport to San Juan, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and journey duration.

Airports in San Juan

Luis Munoz Marin International Airport (SJU)

Fernando Luis Ribas Dominicci Airport (SIG)

  • Central San Juan is about 8 kilometres from Fernando Luis Ribas Dominicci Airport (SIG). Once your flight from Incheon International Airport to San Juan has hit the runway and you've made your way out of the airport, expect a drive of about 14 minutes.

  • You can also travel using public transport, which will take about 58 minutes.

  • Hang the 'Do not disturb' sign on your door and relax at a hotel close to SIG. Here are a few options where you can take a load off after your flight from ICN to San Juan:

Best time to go to San Juan

  • July is the most popular month to hop on a flight from Incheon International Airport to San Juan while May is the quietest. To work out the ideal time to visit San Juan, consider whether you like a lively atmosphere or a quieter vibe.

  • When booking your flight from Incheon International Airport to San Juan, think about the kind of weather you enjoy. September is the warmest month in San Juan, with the temperature ranging from 23ºC to 33ºC.

  • February has average temperatures of between 20ºC and 28ºC. Look for cheap flights from ICN to San Juan sometime then if you'd rather travel in cooler conditions.

More about San Juan

  • Once you've booked your flight from Incheon International Airport to San Juan, think about where you'd like to stay in this city. Make one of these options your base for exploring San Juan:

  • All great adventures should include a little sightseeing. Castillo San Felipe del Morro, La Garita del morro de san juan bahia and Fortaleza Street are must-visits when exploring San Juan.

Complete your San Juan trip with a car rental

  • We use the same magic that helped you find your cheap flight from Incheon International Airport to San Juan to track down deals on car rentals. Search for your ride in seconds and compare your options in one place. Plus you'll find all the info you need to know about car rentals in San Juan, from the most popular car type to the average daily price.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.